Introduction to Animal Groups
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Transcript of Introduction to Animal Groups
Introduction to Animal Groups
Amphibians, Fish, Mammals, Birds, Insects,
Reptiles
Differentiating AnimalsSince there are so many animals they are
put into different groups according to similar characteristics
Vertebrates vs. InvertebratesVertebrates
Animals with a backbone or spinal
column
Invertebrates
Animals without a backbone or spinal
column
All of the groups we are looking at today are vertebrates except insects.
Amphibians Cold-Blooded
Live both on land and in water
Skin is moist
Found in the tropics
They are vertebrates
Most live in or near water or damp places
Fish Breathe through gills
Most lay eggs (although sharks give birth to live young)
Most are cold blooded
Covered with scales
Live in water
Mammals The most intelligent
animals
They have fur or hair
Have four limbs
Warm-Blooded
Breathe air through lungs
Birds There are thousands
of different kinds of birds
Have feathers
Have a beak or a bill
Lay eggs
Warm- Blooded
Insects Have six legs when fully grown
The body of an insect has three parts› Head› Thorax› Abdomen
They have their skeletons on the outside of their body
Have small openings in their bodies to breathe
Most go through metamorphosis
Reptiles Have dry, scaly skin
Cold-Blooded
Most lay eggs
Young look like their parents
What have you learned?
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